The mouth of the jar has screw threads on its outer perimeter to accept a metal ring (or band). The band, when screwed down, presses a separate stamped steel disc-shaped lid against the rim of the jar. An integral rubber ring on the underside of the lid creates a hermetic seal to the jar.
Mono and fever - I have a twenty year old son, he is a junior at IU Bloomington. He has been diagnosed with mono and has been running fevers every day for about three weeks. His fevers seem to spike early morning or later afternoon, early evening.
Signs and symptoms of mono. A child or teen can have infectious mononucleosis from EBV for some time before showing any symptoms. This is known as the incubation time of a virus. The incubation time for mono can be up to 30 to 50 days in teens, but it is shorter for children. Children. In children, mono typically shows very few or no symptoms.